waybar/src/AModule.cpp
2022-04-06 08:37:19 +02:00

141 lines
4.0 KiB
C++

#include "AModule.hpp"
#include <fmt/format.h>
#include <util/command.hpp>
namespace waybar {
AModule::AModule(const Json::Value& config, const std::string& name, const std::string& id,
bool enable_click, bool enable_scroll)
: name_(std::move(name)),
config_(std::move(config)),
distance_scrolled_y_(0.0),
distance_scrolled_x_(0.0) {
// configure events' user commands
if (enable_click) {
event_box_.add_events(Gdk::BUTTON_PRESS_MASK);
event_box_.signal_button_press_event().connect(sigc::mem_fun(*this, &AModule::handleToggle));
} else {
std::map<std::pair<uint, GdkEventType>, std::string>::const_iterator it{eventMap_.cbegin()};
while (it != eventMap_.cend()) {
if (config_[it->second].isString()) {
event_box_.add_events(Gdk::BUTTON_PRESS_MASK);
event_box_.signal_button_press_event().connect(
sigc::mem_fun(*this, &AModule::handleToggle));
break;
}
++it;
}
}
if (config_["on-scroll-up"].isString() || config_["on-scroll-down"].isString() || enable_scroll) {
event_box_.add_events(Gdk::SCROLL_MASK | Gdk::SMOOTH_SCROLL_MASK);
event_box_.signal_scroll_event().connect(sigc::mem_fun(*this, &AModule::handleScroll));
}
}
AModule::~AModule() {
for (const auto& pid : pid_) {
if (pid != -1) {
killpg(pid, SIGTERM);
}
}
}
auto AModule::update() -> void {
// Run user-provided update handler if configured
if (config_["on-update"].isString()) {
pid_.push_back(util::command::forkExec(config_["on-update"].asString()));
}
}
bool AModule::handleToggle(GdkEventButton* const& e) {
const std::map<std::pair<uint, GdkEventType>, std::string>::const_iterator& rec{
eventMap_.find(std::pair(e->button, e->type))};
std::string format{(rec != eventMap_.cend()) ? rec->second : std::string{""}};
if (!format.empty()) {
if (config_[format].isString())
format = config_[format].asString();
else
format.clear();
}
if (!format.empty()) {
pid_.push_back(util::command::forkExec(format));
}
dp.emit();
return true;
}
AModule::SCROLL_DIR AModule::getScrollDir(GdkEventScroll* e) {
switch (e->direction) {
case GDK_SCROLL_UP:
return SCROLL_DIR::UP;
case GDK_SCROLL_DOWN:
return SCROLL_DIR::DOWN;
case GDK_SCROLL_LEFT:
return SCROLL_DIR::LEFT;
case GDK_SCROLL_RIGHT:
return SCROLL_DIR::RIGHT;
case GDK_SCROLL_SMOOTH: {
SCROLL_DIR dir{SCROLL_DIR::NONE};
distance_scrolled_y_ += e->delta_y;
distance_scrolled_x_ += e->delta_x;
gdouble threshold = 0;
if (config_["smooth-scrolling-threshold"].isNumeric()) {
threshold = config_["smooth-scrolling-threshold"].asDouble();
}
if (distance_scrolled_y_ < -threshold) {
dir = SCROLL_DIR::UP;
} else if (distance_scrolled_y_ > threshold) {
dir = SCROLL_DIR::DOWN;
} else if (distance_scrolled_x_ > threshold) {
dir = SCROLL_DIR::RIGHT;
} else if (distance_scrolled_x_ < -threshold) {
dir = SCROLL_DIR::LEFT;
}
switch (dir) {
case SCROLL_DIR::UP:
case SCROLL_DIR::DOWN:
distance_scrolled_y_ = 0;
break;
case SCROLL_DIR::LEFT:
case SCROLL_DIR::RIGHT:
distance_scrolled_x_ = 0;
break;
case SCROLL_DIR::NONE:
break;
}
return dir;
}
// Silence -Wreturn-type:
default:
return SCROLL_DIR::NONE;
}
}
bool AModule::handleScroll(GdkEventScroll* e) {
auto dir = getScrollDir(e);
if (dir == SCROLL_DIR::UP && config_["on-scroll-up"].isString()) {
pid_.push_back(util::command::forkExec(config_["on-scroll-up"].asString()));
} else if (dir == SCROLL_DIR::DOWN && config_["on-scroll-down"].isString()) {
pid_.push_back(util::command::forkExec(config_["on-scroll-down"].asString()));
}
dp.emit();
return true;
}
bool AModule::tooltipEnabled() {
return config_["tooltip"].isBool() ? config_["tooltip"].asBool() : true;
}
AModule::operator Gtk::Widget&() { return event_box_; }
} // namespace waybar